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Re: [PATCH] arm/nospec: Make nospec helpers always_inline
- To: "Andrew Cooper" <andrew.cooper3@xxxxxxxxxx>, "Orzel, Michal" <michal.orzel@xxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: "Alejandro Vallejo" <alejandro.garciavallejo@xxxxxxx>
- Date: Tue, 06 Oct 2026 14:21:28 +0200
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- Cc: "Stefano Stabellini" <sstabellini@xxxxxxxxxx>, "Julien Grall" <julien@xxxxxxx>, "Bertrand Marquis" <bertrand.marquis@xxxxxxx>, "Volodymyr Babchuk" <Volodymyr_Babchuk@xxxxxxxx>
- Delivery-date: Tue, 06 Oct 2026 12:21:56 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Tue Oct 6, 2026 at 12:51 PM CEST, Andrew Cooper wrote:
> On 06/10/2026 11:45 am, Orzel, Michal wrote:
> >
> > On 06-Oct-26 12:31, Alejandro Vallejo wrote:
> >> While today they don't implement fencing in a way that would block
> >> speculation, once/if they do they'll absolutely need to be inlined, even
> >> if -fno-inline or -fno-early-inlining are passed.
> >>
> >> Signed-off-by: Alejandro Vallejo <alejandro.garciavallejo@xxxxxxx>
> > Reviewed-by: Michal Orzel <michal.orzel@xxxxxxx>
> >
> > but this should be done for Arm, RISCV and PPC at once in which case you can
> > keep my tag for v2 # for Arm.
>
> I previously had a patch series which made this all common, for these
> kinds of reasons.
>
> I think I'd prefer to kick that over the line, than to keep on taking
> micro-bugfixes like this.
for reference:
https://lore.kernel.org/all/20240304161041.3465897-1-andrew.cooper3@xxxxxxxxxx/
I wouldn't mind that, I can R-by it if you resend it. I'll still send a
v2 of this on the grounds that it's a strict improvement over existing
matters and might land faster.
Cheers,
Alejandro
>
> ~Andrew
|
